What Happened in 842 AD
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- Feb 14 Charles II & Louis the German sign The Oaths of Strasbourg, a pact uniting their armies in fights against their older brother Lothar
- Feb 19 Medieval Iconoclastic Controversy ends as a council in Constantinople formally reinstates the veneration of icons in churches
- Jan 5 Al-Mu'tasim, Abbasid caliph (b. 794)
- Jan 20 Theophilus, Byzantine kaiser (829-42), dies
- Mar 20 Alfonso II the Chaste, king of Asturia (791-842), dies
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List of Years
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V